210201222020201 has 2 divisors, whose sum is σ = 210201222020202. Its totient is φ = 210201222020200.

The previous prime is 210201222020173. The next prime is 210201222020227. The reversal of 210201222020201 is 102020222102012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186604205899225 + 23597016120976 = 13660315^2 + 4857676^2 .

It is a cyclic number.

It is not a de Polignac number, because 210201222020201 - 2⁶ = 210201222020137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210201222020201.

It is not a weakly prime, because it can be changed into another prime (210201222020701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105100611010100 + 105100611010101.

It is an arithmetic number, because the mean of its divisors is an integer number (105100611010101).

Almost surely, 2^{210201222020201} is an apocalyptic number.

It is an amenable number.

210201222020201 is a deficient number, since it is larger than the sum of its proper divisors (1).

210201222020201 is an equidigital number, since it uses as much as digits as its factorization.

210201222020201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210201222020201 its reverse (102020222102012), we get a palindrome (312221444122213).

The spelling of 210201222020201 in words is "two hundred ten trillion, two hundred one billion, two hundred twenty-two million, twenty thousand, two hundred one".